Born in Nagoya, Japan, Nagasaka moved to New York in 2002 to study English and explore North American culture. In 2003 she started working as a freelance photographer for the Japanese cult magazine Street, and later traveled around Europe shooting documentary photographs. Today she divides her time between commercial and creative pursuits. Her photographs have appeared in magazines such as Dazed&Confused, AnOther, Vogue, NY Times T, 10 Men, SSAW, and others. In 2016 she has published her first book Untitled Youth by Kahl Editions, and launched her 2nd book Teenage Riot by Bywater Bros Editions in 2018.